Your store should be converting more. We fix what's stopping it.

We Build Shopify Stores That Convert Faster, Smarter, Better

Most Shopify stores leak revenue through slow pages, broken checkout flows, and themes that don't convert. We build the custom themes, private apps, B2B portals, and CRO programmes that close those gaps and keep them closed.

30+Stores built & optimized
7+Years Shopify
5★Avg rating

Partnering with Premier Brands
to Shape the Future of Commerce

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Our Work
Woxer Inc. · Shopify Plus

Custom Subscription Flow, Offer Engine & Full-Funnel Build

UpSolite is Woxer's ongoing Shopify development partner: a fully custom Recharge subscriber dashboard and rebuilt subscription flow, PDP with swatches, pack selectors, and Rebuy recommendations, a single global offer engine replacing three separate promo apps, and checkout extensions for subscription upsells and trust badges.

+55% subscription engagement 3 promo apps replaced Ongoing partner
View Case Study
Woxer Shopify subscription portal and offer engine
Flewd Stresscare Shopify store rebuild
Flewd Stresscare · Shopify

Homepage Rebuild, PDP Redesign & Checkout 2.0 Migration

Flewd's homepage was locked in a page-builder app, making it slow and hard to maintain. We rebuilt it with native Shopify sections, redesigned the PDP with a mobile-first layout, and migrated the checkout to Shopify 2.0 with upsells, a progress bar, and trust badges. Conversion improved immediately after launch.

Page-builder removed Checkout 2.0 migrated PDP redesigned
View Case Study
Absolute Dogs · Shopify

Custom App: Automated Course Access & 30-Day Grace Period

Absolute Dogs sells dog training courses and memberships. Managing access tags manually as customers bought, upgraded, or cancelled was unworkable at scale. We built a custom app using Shopify webhooks and the Admin API to auto-tag customers on purchase and automatically remove access 30 days after a subscription cancels — a streaming-service-style grace period with zero staff involvement.

Auto-tag on purchase 30-day grace period Webhooks + Admin API
View Case Study
Absolute Dogs custom Shopify app for member access
StickerCactus B2B dashboard and SparkLayer integration
StickerCactus · Shopify B2B

B2B Middleware Bridge, Rep Impersonation Dashboard & Locksmith Access Control

A custom middleware bridge between TeeinBlue and SparkLayer, an internal B2B impersonation dashboard for sales reps, and Locksmith API-powered access control — all working together without manual data entry.

2 apps bridged seamlessly Reps can act as any wholesale buyer Locksmith API access control
View Case Study
Supplement First · Shopify

Recharge Widget, Collection Filters & Subscription Account Portal

A custom Recharge subscription widget on the PDP, multi-facet collection filters with URL persistence, and a redesigned account page — three upgrades that directly reduce friction for repeat buyers.

PDP subscribe CTA on every product AJAX filters with URL state Full subscription self-management
View Case Study
Supplement First Recharge widget and collection filters
By the Numbers

Results drawn from real delivered projects

Every number below comes from a specific client engagement. Not industry benchmarks, not estimates.

90+ Avg. PageSpeed Score
40 %+ Avg. Conversion Rate Lift
30 + Shopify Stores Built & Optimized
7 yr Deep Shopify Expertise
Client Testimonials

Trusted by brands that demand excellence

RF
Rafael Rosas
Operations Manager, Woxer
WOXER

"We’ve had a great experience working with this ecommerce agency. The team is professional, responsive, and highly skilled in development. They understood our requirements quickly and delivered high-quality work that improved both the functionality and performance of our store. Highly recommended for anyone looking for a strong ecommerce development team."

ML
Michel Lupo
CEO & Founder, Flewd
FLEWD

"They've helped out with emergency fast fixing and full rebuilds of high-traffic e-commerce brands without ever an issue - they match submitted designs and never deliver with any bugs. They're also incredibly affordable for small, independent businesses. Highly recommend this team and have passed them to work with several colleagues."

LP
Lars Passlick
CEO, LPG Digital
LPG

Works exactly as per brief and design, always delivers work on time and are Shopify experts. I’ve found that other devs I’ve worked with have had trouble keeping deadlines and weren’t able to make the website look the way that I had specified it in Figma. No such issues with Upsolite. They are extremely reliable. Highlty recommended.

Common Questions

Everything you might want to know

Can't find your answer? We'll talk through your project on a free 30-minute discovery call, no pitch, just clarity.

Book a Free Call
Scope drives timelines. A single feature, like a subscription portal or custom checkout extension, typically takes 6–8 weeks. A full store redesign with app integrations runs 10–14 weeks. We commit to a timeline before work begins and we stick to it.
Yes. Most of our theme, CRO, and app development work is available on all Shopify plans. Some features, like Checkout Extensibility, require Shopify Plus. We'll tell you exactly what plan your requirements need before any work begins.
Every project ships with 30 days of bug-fix support, full written documentation, and a team handover session. For ongoing development, we offer monthly retainers with a minimum agreed number of hours per month.
We work fixed-price, fully scoped upfront so you know exactly what you're getting and what it costs before anything begins. For larger ongoing engagements, we offer time-and-materials or monthly retainer arrangements. All quotes are free.
Yes, migration is one of our core services. We migrate products, customers, orders, blog posts, and metafields with full 301 redirect mapping to protect your search rankings. Zero data loss, zero downtime.
Built from Scratch
No page-builder shortcuts. Pure custom code tailored exactly to your store's workflow and business logic.
Performance First
Clean, lean code that scores 95+ on PageSpeed and keeps your Core Web Vitals green on every device.
Mobile-First Always
70%+ of your customers shop on mobile. Every build starts with the small screen and scales up, never the reverse.
Supported at Launch
30-day bug-fix support, full documentation, and a team handover session ship with every single project.
Free discovery, no commitment

Ready to build a Shopify store that works exactly how you need it?

Book a free 30-minute call. We'll look at your store, identify what's holding back your growth, and give you a clear plan, whether you work with us or not.